20256128

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8329}}^1$

素因数の和:8362

約数の個数: 32

約数和(自身を含む): 42483000

約数和(自身を除く): 22226872

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8329, 16658, 33316, 66632, 133264, 158251, 266528, 316502, 533056, 633004, 1066112, 1266008, 2532016, 5064032, 10128064, 20256128]

約数ペア:

[(1, 20256128), (2, 10128064), (4, 5064032), (8, 2532016), (16, 1266008), (19, 1066112), (32, 633004), (38, 533056), (64, 316502), (76, 266528), (128, 158251), (152, 133264), (304, 66632), (608, 33316), (1216, 16658), (2432, 8329)]